Viewing REP Balances on Etherscan

This article was first published on: Stories by Augur on Medium --

With the REP token migration last week, some REP holders have been sharing that they don’t see their new REP balances accurately reflected on Etherscan. This is an Etherscan caching issue, and there is a quick solution to see your REP tokens on the new contract address. Every account that held REP was issued REP on the new contract address, 1:1.

If you do not see your REP balance on the new contract when viewing your account address on Etherscan, go to the following link, and replace the end (YOUR_ACCOUNT_ADDRESS_HERE) with your account address:

https://etherscan.io/token/0x1985365e9f78359a9B6AD760e32412f4a445E862?a=YOUR_ACCOUNT_ADDRESS_HERE

That URL will query your REP balance on the new contract address for your Ether account, cache its balance, and then show the new balance across everywhere else on Etherscan.

For more details about the migration, check out the launch post below:

Augur Launches

Cheers,

The Forecast Foundation OU

-- This article was first published on: Stories by Augur on Medium

Cryptography: How it works | pt.2

This article was first published on: Stories by Lunes Platform on Medium --

This is the second article in the Cryptography series. Let’s teach the essentials of the technical part for the whole community to understand how it works.

Good Password Hashing Functions

PBKDF2

PBKDF2 comes from PKCS#5. It is parameterized with an iteration count (an integer, at least 1, no upper limit), a salt (an arbitrary sequence of bytes, no constraint on length), a required output length (PBKDF2 can generate an output of configurable length), and an “underlying PRF”. In practice, PBKDF2 is always used with HMAC, which is itself a construction built over an underlying hash function. So when we say “PBKDF2 with SHA-1”, we actually mean “PBKDF2 with HMAC with SHA-1”.

Advantages of PBKDF2:

  • Has been specified for a long time, seems unscathed for now.
  • Is already implemented in various framework (e.g. it is provided with .NET).
  • Highly configurable (although some implementations do not let you choose the hash function, e.g. the one in .NET is for SHA-1 only).
  • Received NIST blessings (modulo the difference between hashing and key derivation; see later on).
  • Configurable output length (again, see later on).

Drawbacks of PBKDF2:

  • CPU-intensive only, thus amenable to high optimization with GPU (the defender is a basic server which does generic things, i.e. a PC, but the attacker can spend his budget on more specialized hardware, which will give him an edge).
  • You still have to manage the parameters yourself (salt generation and storage, iteration count encoding…). There is a standard encoding for PBKDF2 parameters but it uses ASN.1 so most people will avoid it if they can (ASN.1 can be tricky to handle for the non-expert).

bcrypt

bcrypt was designed by reusing and expanding elements of a block cipher called Blowfish. The iteration count is a power of two, which is a tad less configurable than PBKDF2, but sufficiently so nevertheless. ...

-- This article was first published on: Stories by Lunes Platform on Medium

Stellar Lumen (XLM) Now Trading on KuCoin Exchange Platform

This article was first published on: Latest Crypto News --

Stellar Lumens | XLM | XLM on Kucoin | KuCoin Crypto Exchange

Stellar Network is thrilled to announce that they have listed their native and transaction currency Lumen XLM to KuCoin exchange platform. Immediate deposit is now available with trading pairs like XLM/BTC and XLM/ETH.

Buying XLM will be available at 19:30 (UTC+8) and Selling/Withdrawal starts at 20:00 (UTC+8). All transactions can be affected by using KuCoin’s app for iOS and Android or to their official website, www.kucoin.com for web preference.

About Stellar XLM

In 2014, Stellar has been established as a by-product of Ripple because Jed McCaleb, the co-founder, had a different philosophy with the rest of the Ripple board. While Ripple is centered on giving solutions to banks, Stellar purposes to help promote payments between people. They operate comparably, but Stellar is a “bottom-up” approach while Ripple as “top-down.”

Stellar Lumens (XLM) are the token utilized by the Stellar network. The network generated 100 billion Lumens (XLM) when they have started. A transaction applying Lumens costs just 0.0001 XLM, worth a little fraction of a penny, and normally takes less than 6 seconds to be completed. The supply of Stellar Lumens increases about 1% annually.

Stellar Lumens Options

Hot Storage

Stellar Lumens can be stored on an iOS or Android device utilizing Lobstr, plugged as “the only wallet for your Lumens.”

Cold Storage

Stellar Lumens can also be stored on a Ledger Nano S. Ledger Nano S  is the only hardware option for storage of Stellar Lumens.

This exchange news will come as little surprise to supporters of the Stellar protocol and digital currency, which has seen a marked increase in media and market attention. Whilst the 24-hour trading volume may seem low compared to trading behemoths such as Binance, the increased exposure to South Korean and Asian markets cannot be overstated. This listing could be seen ...

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-- This article was first published on: Latest Crypto News